OPass provides the newest event information for you. Use OPass to check in, plan your schedule and get event announcement! OPass is Taiwan's FLOSS conference check-in solution. It has been used in SITCON (Students' Information Technology Conference) & COSCUP (Conference for Open Source Coders, Users and Promoters) for so many years. This app will help you check in rapidly and provide the newest information about the conference. Patch welcome! https://github.com/CCIP-App/